Home / 2,997.22-4,137.28-2,575.88

Finding the Fourth Proportional to 2,997.22, 4,137.28 and 2,575.88

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Solution

The fourth proportional to 2,997.22, 4,137.28 and 2,575.88 is: 3,555.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.22 : 4,137.28 = 2,575.88 : x
  2. Step 2: Convert to fraction form
    2,997.22/4,137.28 = 2,575.88/x
  3. Step 3: Cross multiply
    2,997.22x = 4,137.28 × 2,575.88
  4. Step 4: Simplify right side
    2,997.22x = 10,657,136.81
  5. Step 5: Solve for x
    x = 10,657,136.81/2,997.22
  6. Step 6: Final answer
    x = 3,555.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.